Answer in brief
CVE-2026-53268 records a High severity (CVSS 8.2) vulnerability in netfilter: conntrack_irc: fix possible out-of-bounds read. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
Answer in brief
CVE-2026-53268 records a High severity (CVSS 8.2) vulnerability in netfilter: conntrack_irc: fix possible out-of-bounds read. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 8.2. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=869f37d8e48f3911eb70f38a994feaa8f8380008 <4cdda7f868f48e2f81579371584fdbdce37df2c8 || >=869f37d8e48f3911eb70f38a994feaa8f8380008 <8a1d6e40dedfe1068aee094d851bd69e289c9fd6 || >=869f37d8e48f3911eb70f38a994feaa8f8380008 <0afc802160af0df61ed374fdb97fb34cfe5cdf2f || >=869f37d8e48f3911eb70f38a994feaa8f8380008 <7c34f91305292083253df6a9f6c8ede02d4ccaea || >=869f37d8e48f3911eb70f38a994feaa8f8380008 <ddddd8271359961e403d11c90c9ba9fc38914f7e || >=869f37d8e48f3911eb70f38a994feaa8f8380008 <9e5da2379f968a3ea5a6e38921ab6201576466dc || >=869f37d8e48f3911eb70f38a994feaa8f8380008 <573810f61bcd6b6815e2ff53bbdd2b9c9d747176 || >=869f37d8e48f3911eb70f38a994feaa8f8380008 <66eba0ffce3b7e11449946b4cbbef8ea36112f56 | 4cdda7f868f48e2f81579371584fdbdce37df2c8, 8a1d6e40dedfe1068aee094d851bd69e289c9fd6, 0afc802160af0df61ed374fdb97fb34cfe5cdf2f, 7c34f91305292083253df6a9f6c8ede02d4ccaea, ddddd8271359961e403d11c90c9ba9fc38914f7e, 9e5da2379f968a3ea5a6e38921ab6201576466dc, 573810f61bcd6b6815e2ff53bbdd2b9c9d747176, 66eba0ffce3b7e11449946b4cbbef8ea36112f56 |
| Linux/Linuxgeneric | 2.6.20 | Not reported |
Published upstream
Jun 25, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jun 25, 2026
In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack_irc: fix possible out-of-bounds read When parsing fails after we've matched the command string we should bail out instead of trying to match a different command. This helper should be deprecated, given prevalence of TLS I doubt it has any relevance in 2026.
Quoted source text, attributed separately from HOL analysis.
CVSS is 8.2. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=869f37d8e48f3911eb70f38a994feaa8f8380008 <4cdda7f868f48e2f81579371584fdbdce37df2c8 || >=869f37d8e48f3911eb70f38a994feaa8f8380008 <8a1d6e40dedfe1068aee094d851bd69e289c9fd6 || >=869f37d8e48f3911eb70f38a994feaa8f8380008 <0afc802160af0df61ed374fdb97fb34cfe5cdf2f || >=869f37d8e48f3911eb70f38a994feaa8f8380008 <7c34f91305292083253df6a9f6c8ede02d4ccaea || >=869f37d8e48f3911eb70f38a994feaa8f8380008 <ddddd8271359961e403d11c90c9ba9fc38914f7e || >=869f37d8e48f3911eb70f38a994feaa8f8380008 <9e5da2379f968a3ea5a6e38921ab6201576466dc || >=869f37d8e48f3911eb70f38a994feaa8f8380008 <573810f61bcd6b6815e2ff53bbdd2b9c9d747176 || >=869f37d8e48f3911eb70f38a994feaa8f8380008 <66eba0ffce3b7e11449946b4cbbef8ea36112f56 | 4cdda7f868f48e2f81579371584fdbdce37df2c8, 8a1d6e40dedfe1068aee094d851bd69e289c9fd6, 0afc802160af0df61ed374fdb97fb34cfe5cdf2f, 7c34f91305292083253df6a9f6c8ede02d4ccaea, ddddd8271359961e403d11c90c9ba9fc38914f7e, 9e5da2379f968a3ea5a6e38921ab6201576466dc, 573810f61bcd6b6815e2ff53bbdd2b9c9d747176, 66eba0ffce3b7e11449946b4cbbef8ea36112f56 |
| Linux/Linuxgeneric | 2.6.20 | Not reported |
Published upstream
Jun 25, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jun 25, 2026
In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack_irc: fix possible out-of-bounds read When parsing fails after we've matched the command string we should bail out instead of trying to match a different command. This helper should be deprecated, given prevalence of TLS I doubt it has any relevance in 2026.
Quoted source text, attributed separately from HOL analysis.