CVE-2009-0607: Multiple integer overflows in malloc_leak.c in Bionic in Open Handset Alliance Android 1.0 have unknown impact

Routine

HIGH 7.2DOWNGRADE

CVE-2009-0607 is a high-severity flaw (CVSS 7.2) affecting android sdk. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple integer overflows in malloc_leak.c in Bionic in Open Handset Alliance Android 1.0 have unknown impact and attack vectors, related to the (1) chk_calloc and (2) leak_calloc functions.

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.2 (High)
EPSS exploit chance	0.3% (top 75%)
CISA exploited list	No
Weakness	CWE-189
Published	2009-02-17
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: openhandsetalliance

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2009-02-17 17:30 UTCPublished CVE record published
2026-06-16 23:05 UTCUpdated Record last modified

openhandsetalliance android sdk DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy android-sdk || rpm -q android-sdk || android-sdk --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison android-sdk sudo apt install android-sdk=<VERSION_BEFORE_1.0> sudo apt-mark hold android-sdk

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list android-sdk sudo dnf downgrade android-sdk-<VERSION_BEFORE_1.0> sudo dnf versionlock add android-sdk

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2009-0607?

android sdk: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2009-0607 being exploited?

CVE-2009-0607 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2009-0607 affect?

CVE-2009-0607 affects android sdk. Severity is high (CVSS 7.2). Multiple integer overflows in malloc_leak.c in Bionic in Open Handset Alliance Android 1.0 have unknown impact and attack vectors, related to the (1) chk_calloc and (2) leak_calloc functions.

How urgent is CVE-2009-0607?

Priority 31/100. High severity

Software pages

Android vulnerabilities

Related CVEs

CVE-2011-1001 MEDIUM 4.3 UPGRADE dexdump in Android SDK before 2.3 does not properly perform structural verification, which allows user-assiste
CVE-2009-0608 HIGH 7.2 DOWNGRADE Integer overflow in the showLog function in fake_log_device.c in liblog in Open Handset Alliance Android 1.0 a
CVE-2009-0606 HIGH 7.2 DOWNGRADE The link_image function in linker/linker.c in the dynamic linker in Bionic in Open Handset Alliance Android 1.

References

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